3884561969 has 2 divisors, whose sum is σ = 3884561970. Its totient is φ = 3884561968.

The previous prime is 3884561959. The next prime is 3884562029. The reversal of 3884561969 is 9691654883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2918160400 + 966401569 = 54020^2 + 31087^2 .

It is a cyclic number.

It is not a de Polignac number, because 3884561969 - 2⁴ = 3884561953 is a prime.

It is a super-2 number, since 2×3884561969² = 30179643382002313922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3884561929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942280984 + 1942280985.

It is an arithmetic number, because the mean of its divisors is an integer number (1942280985).

Almost surely, 2^3884561969 is an apocalyptic number.

It is an amenable number.

3884561969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3884561969 is an equidigital number, since it uses as much as digits as its factorization.

3884561969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 59.

The square root of 3884561969 is about 62326.2542513185. The cubic root of 3884561969 is about 1571.9812126947.

The spelling of 3884561969 in words is "three billion, eight hundred eighty-four million, five hundred sixty-one thousand, nine hundred sixty-nine".